Cheapest return flights from Brussels to Ljubljana in September from $116
AirHint found the following cheapest return flights from Brussels (BRU) to Ljubljana (LJU) in September 2025 (see full year).
Return flights
| 02 Sep - 09 Sep | Brussels Airlines | direct | |
| 19 Sep - 22 Sep | Brussels Airlines | direct |
Also check the deals for one-way flights from Brussels to Ljubljana in September.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
